First World War Christmas truce was not a one-off
First World War Christmas truces not limited to 1914, new evidence
Christmas Truce Wasn't A One-Off Event In 1914, WW1 Historian
New research reveals failure of World War One
First World War truce with Austrians included wine and guided
The Christmas truce, 1914 - The National Archives blog
The Supermarket and the Christmas Truce – lesson plan and
Lost letter from WW1 lieutenant talks about 1914 Christmas truce
Did German and British troops really stop fighting and play soccer